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#161 A field, or a combination of fields used to identify particular row in a relation is called ___________.
A) Secondary key
B) Foreign key
C) Primary key
D) Alternate key
Answer: C
#162 A combination of two or more columns used to identify particular row in a relation is a ___________.
A) Secondary key
B) composite key
C) foreign key
D) primary key
Answer: B
#163 Which of the following is used to store data in a database?
A) Table
B) Form
C) Query
D) Report
Answer: A
#164 Which of the following is logical data type?
A) Text
B) Memo
C) Auto Number
D) yes/No
Answer: D
#165 ____________ is an open source application program.
A) MS Access
B) Open Office Base
C) SQL Server
D) MS Word
Answer: B
#166 What is the maximum size of text field data type?
A) 253
B) 254
C) 255
D) 256
Answer: C
#167 ___________ key is a unique key field in a table.
A) Secondary
B) Foreign
C) composite
D) primary
Answer: D
#168 Which of the key is used to create one-to-many relationship between tables?
A) Secondary
B) Foreign
C) composite
D) primary
Answer: D
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